B08B 9/0321
Using pressurised, pulsating or purging fluid
Official title: {using pressurised, pulsating or purging fluid (E04F17/126 takes precedence)}
B08B9/0321 (Using pressurised, pulsating or purging fluid) appears on 1,142 US grants and 1,223 published applications in this corpus.
Search patents in B08B- Granted patents
- 1,142
- Published applications
- 1,223
- Assignees
- 725
- Inventors
- 2,498
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 9 | 0 |
| 1990 | 13 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 16 | 0 |
| 1995 | 24 | 0 |
| 1996 | 16 | 0 |
| 1997 | 23 | 0 |
| 1998 | 24 | 0 |
| 1999 | 19 | 0 |
| 2000 | 18 | 0 |
| 2001 | 16 | 9 |
| 2002 | 19 | 18 |
| 2003 | 22 | 21 |
| 2004 | 17 | 31 |
| 2005 | 13 | 30 |
| 2006 | 22 | 29 |
| 2007 | 18 | 19 |
| 2008 | 10 | 18 |
| 2009 | 9 | 19 |
| 2010 | 14 | 20 |
| 2011 | 18 | 18 |
| 2012 | 15 | 19 |
| 2013 | 11 | 25 |
| 2014 | 8 | 44 |
| 2015 | 27 | 46 |
| 2016 | 33 | 64 |
| 2017 | 47 | 88 |
| 2018 | 55 | 76 |
| 2019 | 64 | 62 |
| 2020 | 71 | 103 |
| 2021 | 55 | 88 |
| 2022 | 69 | 84 |
| 2023 | 75 | 84 |
| 2024 | 75 | 82 |
| 2025 | 80 | 70 |
| 2026 | 47 | 56 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B08B 9/0325Control mechanisms therefor408
- B08B 9/0328By purging the pipe with a gas or a mixture of gas239
- B08B 9/0323Arrangements specially designed for simultaneous and parallel cleaning of a plurality of169
- B08B 9/0326Using pulsations82
- B08B 9/0327The fluid being in the form of a mist65
- B08B 9/0322In combination with a plug55
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Most cited
By later US patents
- Self-regulating fluid dispensing cap with safety pressure relief valve for dental/medical unit fluid bottles597US 5,836,483 AAerotech Dental Systems, Inc. · 1998
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- Water line decontamination system167US 5,526,841 A1996